Module ngx_http_upstream_module

Defines the address and other parameters of a server. The address can be specified as a domain name or IP address, with an optional port, or as a UNIX-domain socket path specified after the “unix:” prefix. If a port is not specified, the port 80 is used. A domain name that resolves to several IP addresses defines multiple servers at once. The following parameters can be defined: weight=number sets

[udzura]

今日知ったNginxの変数です

[fcicq]

max_fails=0 for localhost upstream or backup? write two times. proxy_next_upstream error timeout (invalid_header non_idempotent) ...

[toshifumi_tegu]

health_check

[n-sega]

about upstream parameter.

[lefsy]

$upstream_response_time

[taro-maru]

httpヘッダにxxxフィールドを入れると　$upstream_http_xxx　に値が入る

[Hash]

response time